/ubl:Invoice/cac:TaxTotal[cbc:TaxAmount/@currencyID = ../cbc:TaxCurrencyCode]/cbc:TaxAmount/@currencyID

Accounting Tax Amount Currency Code

Context ID INV1066
Cardinality 1..1
Usage M
Format Code (3)
Mandate Business Term Code BT-111-1
Final Format Path /Invoice/cac:TaxTotal/cbc:TaxAmount/@currencyID

Description

Syntax required attribute, value must equal invoice Tax currency code

When used must be EUR.